It seems that every time I look around some self-proclaimed Expert On Everything decides to deny global warming.
Tim Blair was at it again at the end of February. As was Andrew Bolt.
Andrew really gave it his all , including a link to Watts up with that? showing graphs (which perversely appear to disprove his case).
As usual Tim and Andrew have not allowed facts to get in the way of a sensationalised blog, showing a propensity to confuse relatively short-term observable weather patterns with real evidence against global warming.
NASA, taking a more balanced view of the methodology, reveals that when limiting temperature comparisons to a single month across a few years or to a particular location there will inevitably be a wide variation.
There is no getting away from the fact that all the graphs used in the Blair-Bolt denialist argument show a warming trend over the last 100 years, as evidenced by the following anomalous temperature graph.
Global Annual Mean Surface Air Temperature Change
Line plot of global mean land-ocean temperature index, 1880 to present. The dotted black line is the annual mean and the solid red line is the five-year mean. The green bars show uncertainty estimates. [This is an update of Fig. 1A in Hansen, et al. (2006)]
(Last modified: 2008-01-11)
So Tim and Andrew - put a sock in it or I will be knocking on your doors when increasingly severe storms, flooding and saltwater inundation make it imperative that I have help in stacking sandbags around my house.